Mounting Plate for Glock Slimline MOS 43X/48, Holosun 407K/507KMounting plate for the Glock Slimline MOS pistol in G43X and G48 versions from Two Brothers Military Engineering (2BME). It allows the attachment of Holosun 407K 507K red dot sights. With the TBME plate, the user can directly mount the collimator on the slide of the gun, which is adapted for this purpose from the factory or by the gunsmith. The TBME mounting plate is made of durable 7075 T6 aircraft aluminum, which makes it weigh only 5 grams. In